Molecular formula
C18H18N4O5
72 compounds have this formula on CompoundList.
- Molar mass
- 370.37g/mol
- Monoisotopic mass
- 370.1277Da
- Atoms
- 45
- Elements
- 4
- Rings plus double bonds
- 12
The formula C18H18N4O5 describes a molecule made of 18 carbon atoms, 18 hydrogen atoms, 4 nitrogen atoms and 5 oxygen atoms. It is written in Hill notation: carbon first, then hydrogen, then the other elements in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.
Elemental composition
- C Carbon × 1858.37%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 184.90%1.008 × 18 = 18.144 g/mol
- N Nitrogen × 415.13%14.007 × 4 = 56.028 g/mol
- O Oxygen × 521.60%15.999 × 5 = 79.995 g/mol
Look up another formula
Compounds with the formula C18H18N4O5
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 72 of 72 compounds
2-(3-Hydroxy-4-(4-(2-methoxyphenoxy)-1H-pyrazol-3-yl)phenoxy)acetohydrazide
CAS 879479-13-7C18H18N4O5
![N-(2-Methoxyethyl)-2-[3-[(2,4,6-trioxo-1,3-diazinan-5-ylidene)methyl]indol-1-yl]acetamide chemical structure, C18H18N4O5, CAS 371135-81-8](/s/LWMSFFZKKSPGPP-UHFFFAOYSA-N.svg)
N-(2-Methoxyethyl)-2-[3-[(2,4,6-trioxo-1,3-diazinan-5-ylidene)methyl]indol-1-yl]acetamide
CAS 371135-81-8C18H18N4O5
2-(3-Hydroxy-4-(4-(4-methoxyphenoxy)-1H-pyrazol-3-yl)phenoxy)acetohydrazide
CAS 1010868-56-0C18H18N4O5
2-(3-Hydroxy-4-(4-(3-methoxyphenoxy)-1H-pyrazol-3-yl)phenoxy)acetohydrazide
CAS 1009770-29-9C18H18N4O5
(E)-3-(Furan-2-yl)-N'-(2,4,5-trimethoxybenzylidene)-1H-pyrazole-5-carbohydrazide
CAS 307323-15-5C18H18N4O5
N-Benzyl-4-(2-{2-nitrobenzoyl}hydrazino)-4-oxobutanamide
CAS 356525-06-9C18H18N4O5
4-Ethoxy-N-(2-(2-(3-nitrobenzylidene)hydrazino)-2-oxoethyl)benzamide
CAS 765278-22-6C18H18N4O5
4-Ethoxy-N-(2-(2-(2-nitrobenzylidene)hydrazino)-2-oxoethyl)benzamide
CAS 764653-79-4C18H18N4O5
![N-[(1,3-Dimethyl-2,4,6-trioxotetrahydropyrimidin-5(2H)-ylidene)methyl]tryptophan chemical structure, C18H18N4O5, CAS 360791-47-5](/s/NUDGEFUCRFKAIJ-UHFFFAOYSA-N.svg)
N-[(1,3-Dimethyl-2,4,6-trioxotetrahydropyrimidin-5(2H)-ylidene)methyl]tryptophan
CAS 360791-47-5C18H18N4O5
2-(3,5-Dimethyl-4-nitropyrazol-1-yl)-N-(4-methyl-2-oxochromen-7-yl)propanamide
CAS 515174-75-1C18H18N4O5
![Butanamide, 2-[2-(4-methoxy-2-nitrophenyl)diazenyl]-N-(2-methylphenyl)-3-oxo- chemical structure, C18H18N4O5, CAS 6371-96-6](/s/FNFZZQUKYRHMTI-UHFFFAOYSA-N.svg)
Butanamide, 2-[2-(4-methoxy-2-nitrophenyl)diazenyl]-N-(2-methylphenyl)-3-oxo-
CAS 6371-96-6C18H18N4O5
(Z)-3-(4-(3-Amino-2-cyano-3-oxoprop-1-en-1-yl)-3-(3,4-dimethoxyphenyl)-1H-pyrazol-1-yl)propanoic acid
CAS 882224-38-6C18H18N4O5
![6,7,8-Trimethoxy-N-[(4-nitrophenyl)methyl]-4-quinazolinamine chemical structure, C18H18N4O5, CAS 150450-05-8](/s/CWZUXYNYFDRSKM-UHFFFAOYSA-N.svg)
6,7,8-Trimethoxy-N-[(4-nitrophenyl)methyl]-4-quinazolinamine
CAS 150450-05-8C18H18N4O5
(4-Benzylpiperazin-1-yl)-(3,5-dinitrophenyl)methanone
CAS 289476-03-5C18H18N4O5
![(2R,3R,4S,5R)-2-(4-(FUran-3-yl)-5-methylpyrrolo[2',3':4,5]pyrrolo[2,3-d]pyrimidin-8(5H)-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol chemical structure, C18H18N4O5, CAS 2180983-49-5](/s/PGNXUGRHMLWNMG-NFBAFIMDSA-N.svg)
(2R,3R,4S,5R)-2-(4-(FUran-3-yl)-5-methylpyrrolo[2',3':4,5]pyrrolo[2,3-d]pyrimidin-8(5H)-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol
CAS 2180983-49-5C18H18N4O5
![(2R,3R,4S,5R)-2-[12-(Furan-2-yl)-3-methyl-3,7,9,11-tetrazatricyclo[6.4.0.02,6]dodeca-1(12),2(6),4,8,10-pentaen-7-yl]-5-(hydroxymethyl)oxolane-3,4-diol chemical structure, C18H18N4O5, CAS 2180983-48-4](/s/KSVFMNVMXIWEAW-NFBAFIMDSA-N.svg)
(2R,3R,4S,5R)-2-[12-(Furan-2-yl)-3-methyl-3,7,9,11-tetrazatricyclo[6.4.0.02,6]dodeca-1(12),2(6),4,8,10-pentaen-7-yl]-5-(hydroxymethyl)oxolane-3,4-diol
CAS 2180983-48-4C18H18N4O5
![2-(Hydroxymethyl)-5-[6-[(E)-2-hydroxy-2-phenylethenyl]purin-9-yl]oxolane-3,4-diol chemical structure, C18H18N4O5, CAS 73719-91-2](/s/MHMCIRXDRBTNOZ-WUXMJOGZSA-N.svg)
2-(Hydroxymethyl)-5-[6-[(E)-2-hydroxy-2-phenylethenyl]purin-9-yl]oxolane-3,4-diol
CAS 73719-91-2C18H18N4O5
Antitubercular agent-13
CAS 3032629-25-4C18H18N4O5
![Methyl 3-[[5-(2-acetyl-5-methyl-3,4-dihydropyrazol-3-yl)-6-oxo-1H-pyrimidin-4-yl]oxy]benzoate chemical structure, C18H18N4O5, CAS 1325694-71-0](/s/MXKQUYKXXYWZKT-UHFFFAOYSA-N.svg)
Methyl 3-[[5-(2-acetyl-5-methyl-3,4-dihydropyrazol-3-yl)-6-oxo-1H-pyrimidin-4-yl]oxy]benzoate
CAS 1325694-71-0C18H18N4O5
N-(4-Ethoxy-2-nitrophenyl)-2-(3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl)acetamide
CAS 346418-98-2C18H18N4O5
![(2-Methyl-3-nitrophenyl)-[4-(4-nitrophenyl)piperazin-1-yl]methanone chemical structure, C18H18N4O5, CAS 329941-26-6](/s/ZXCFFBURBZPIQT-UHFFFAOYSA-N.svg)
(2-Methyl-3-nitrophenyl)-[4-(4-nitrophenyl)piperazin-1-yl]methanone
CAS 329941-26-6C18H18N4O5
![Ethyl 3-[[(Z)-2-cyano-3-(ethoxycarbonylamino)-3-oxoprop-1-enyl]amino]-1H-indole-2-carboxylate chemical structure, C18H18N4O5, CAS 339099-05-7](/s/CSENOZWUVKZDTF-KHPPLWFESA-N.svg)
Ethyl 3-[[(Z)-2-cyano-3-(ethoxycarbonylamino)-3-oxoprop-1-enyl]amino]-1H-indole-2-carboxylate
CAS 339099-05-7C18H18N4O5
![N-{4-[(1E)-1-{2-[(2-nitrophenoxy)acetyl]hydrazinylidene}ethyl]phenyl}acetamide chemical structure, C18H18N4O5, CAS 514837-11-7](/s/BZENULBEDSNQQN-UDWIEESQSA-N.svg)
N-{4-[(1E)-1-{2-[(2-nitrophenoxy)acetyl]hydrazinylidene}ethyl]phenyl}acetamide
CAS 514837-11-7C18H18N4O5
2-((4-(3-(2,4-Dioxo-3,4-dihydropyrimidin-1(2H)-yl)propanamido)but-2-yn-1-yl)oxy)benzamide
CAS 1448034-91-0C18H18N4O5
- 3,5-Dinitrophenyl 4-(2-methylphenyl)piperazinyl ketone289061-09-2C18H18N4O5
- Ethyl 3-({2-cyano-3-[(ethoxycarbonyl)amino]-3-oxo-1-propenyl}amino)-1H-indole-2-carboxylateC18H18N4O5
- 1-(2-Furan-2-YL-6-nitro-imidazo[1,2-A]pyridin-3-ylmethyl)-piperidine-4-carboxylic acid904817-98-7C18H18N4O5
- N-{1,3-Dimethyl-2,4-dioxo-1H,2H,3H,4H-pyrido[2,3-d]pyrimidin-5-yl}-2,4-dimethoxybenzamide941882-19-5C18H18N4O5
- N-(1,3-Dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidin-5-yl)-3,5-dimethoxybenzamide941929-41-5C18H18N4O5
- Urea, N-phenyl-N'-(5-(3,4,5-trimethoxyphenyl)-1,3,4-oxadiazol-2-yl)-19938-61-5C18H18N4O5
- 2-Methyl-N-[4-[[(4-nitrobenzoyl)amino]carbamoyl]phenyl]propanamide714202-40-1C18H18N4O5
- 4-(2,4-Dimethoxyphenyl)-5-methyl-2-(4-nitrobenzyl)-2,4-dihydro-3H-1,2,4-triazol-3-one861206-43-1C18H18N4O5
- N-(2-Carbamoylphenyl)-2-(morpholin-4-yl)-5-nitrobenzamide878978-77-9C18H18N4O5
- 2-(3-(3,4-Dimethoxyphenyl)-6-oxopyridazin-1(6H)-yl)-N-(5-methylisoxazol-3-yl)acetamide941930-03-6C18H18N4O5
- 2-(4-Oxo-1,2,3-benzotriazin-3(4H)-yl)-N-(3,4,5-trimethoxyphenyl)acetamide1144487-65-9C18H18N4O5
- 2-{2-[3-(2H-1,3-Benzodioxol-5-yl)-1,2,4-oxadiazol-5-yl]-1H-pyrrol-1-yl}-N-(2-methoxyethyl)acetamide1260990-37-1C18H18N4O5
- 2-(4-(2-Ethoxyphenyl)-2,3-dioxo-3,4-dihydropyrazin-1(2H)-yl)-N-(5-methylisoxazol-3-yl)acetamide1421476-54-1C18H18N4O5
- 3-(2-(3-((6-Methoxypyridazin-3-yl)oxy)pyrrolidin-1-yl)-2-oxoethyl)benzo[d]oxazol-2(3H)-one2034445-40-2C18H18N4O5
- 2,P,p'-trihydroxymesocarb1235586-22-7C18H18N4O5
- (E)-Ethyl 2,6-dimethyl-5-(2-(4-nitrobenzylidene)hydrazinecarbonyl)nicotinate328016-39-3C18H18N4O5
- Methyl 4-(2-methoxy-2-oxoethyl)-8-(4-methoxyphenyl)-7-methylpyrazolo[5,1-c][1,2,4]triazine-3-carboxylate908507-41-5C18H18N4O5
- 2-(5-Methoxy-1-methyl-2,4-dioxo-1,2-dihydropyrido[2,3-d]pyrimidin-3(4H)-yl)-N-(2-methoxyphenyl)acetamide941946-80-1C18H18N4O5
- 2-(5-Methoxy-1-methyl-2,4-dioxo-1,2-dihydropyrido[2,3-d]pyrimidin-3(4H)-yl)-N-(3-methoxyphenyl)acetamide941898-01-7C18H18N4O5
- 5-Ethoxy-1,6-dimethyl-3-(4-nitrobenzyl)pyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione946324-76-1C18H18N4O5
- 5-Ethoxy-1,6-dimethyl-3-[(3-nitrophenyl)methyl]-1H,2H,3H,4H-pyrido[2,3-d]pyrimidine-2,4-dione946324-80-7C18H18N4O5
- 1-(5-(Furan-2-yl)isoxazole-3-carbonyl)-N-(5-methylisoxazol-3-yl)piperidine-4-carboxamide1226435-74-0C18H18N4O5
- 2-(7,8-Dimethoxy-1-oxophthalazin-2(1H)-yl)-N-(6-methoxypyridin-3-yl)acetamide1324061-46-2C18H18N4O5
- N-{1-[(2,3-Dihydro-1,4-benzodioxin-2-yl)methyl]-1H-pyrazol-4-yl}-2-(2,5-dioxopyrrolidin-1-yl)acetamide1798043-82-9C18H18N4O5
- 4-(1-(5-(Pyridin-3-yl)isoxazole-3-carbonyl)piperidin-4-yl)morpholine-3,5-dione2034424-32-1C18H18N4O5
- 2-[[(3,4-Dimethoxyphenyl)methyl]amino]-2-oxoethyl 1H-benzotriazole-6-carboxylate924147-55-7C18H18N4O5
- N-(1-Cyanocyclohexyl)-N-methyl-2-(5-nitro-1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)acetamide923746-64-9C18H18N4O5
- 2-(5-Methoxy-1-methyl-2,4-dioxo-1,2-dihydropyrido[2,3-d]pyrimidin-3(4H)-yl)-N-(4-methoxyphenyl)acetamide941942-41-2C18H18N4O5
- N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-I+/-,3,6-trimethyl-4-oxoisoxazolo[5,4-d]pyrimidine-5(4H)-acetamide933219-28-4C18H18N4O5
- Methyl N-[3-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)propanoyl]-L-histidinate7389-94-8C18H18N4O5
- 3-[2-(2-Hydroxyethoxy)-4-nitrophenyldiazenyl]indole-1-ethanol1020671-11-7C18H18N4O5
- 4,5-Dimethyl 1-[2-(1,2-dimethyl-1H-indol-3-yl)-2-oxoethyl]-1H-1,2,3-triazole-4,5-dicarboxylate2108519-53-3C18H18N4O5
- N-(3,6-Dioxocyclohexa-1,4-dien-1-yl)-N'-{4-[2-(2,4-dioxopentan-3-yl)hydrazinyl]phenyl}urea93953-73-2C18H18N4O5
- N-(7-|A-D-Ribofuranosyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)benzamide18555-63-0C18H18N4O5
- 6,7,8,9-Tetrahydro-2-methoxy-5H-benzocyclohepten-5-one 2-(2,4-dinitrophenyl)hydrazone6500-66-9C18H18N4O5
- (2E)-2-[9-[3,4-Dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-1H-purin-6-ylidene]-1-phenyl-ethanoneC18H18N4O5
- 3-[4-(2-Carbamoyl-2-cyanoeth-1-en-1-yl)-3-(3,4-dimethoxyphenyl)-1H-pyrazol-1-yl]propanoic acidC18H18N4O5
- 3-[1-(2-Carbamoylethyl)-3-(3,4-dimethoxyphenyl)-1H-pyrazol-4-yl]-2-cyanoprop-2-enoic acid926189-97-1C18H18N4O5
- (2S)-1,4-Bis(E){[(4-nitrophenyl)methylidene]amino}butan-2-ol87829-57-0C18H18N4O5
- 1-[(3-Ethyl-1,2,4-oxadiazol-5-yl)methyl]-4-(2-methoxyphenyl)-1H,2H,3H,4H,5H,7H-furo[3,4-d]pyrimidine-2,5-dione2109452-44-8C18H18N4O5
- 1-[(5-Ethyl-1,2,4-oxadiazol-3-yl)methyl]-4-(2-methoxyphenyl)-1H,2H,3H,4H,5H,7H-furo[3,4-d]pyrimidine-2,5-dione2108328-32-9C18H18N4O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(1-methyl-1H-pyrazol-4-yl)-2-(morpholin-4-yl)acetate2248266-51-3C18H18N4O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-[2-(morpholin-4-yl)ethyl]-1H-pyrazole-4-carboxylate2248309-65-9C18H18N4O5
- tert-Butyl N-[3-(furan-2-yl)-1-(3-nitrophenyl)-1H-pyrazol-5-yl]carbamate2680666-94-6C18H18N4O5
- 2-(2,6-Dioxo-3-piperidyl)-5-(piperazine-1-carbonyl)isoindoline-1,3-dione2940937-91-5C18H18N4O5
- 5-(3-(5-Methyl-2-oxobenzo[d]oxazol-3(2H)-yl)propanoyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-2-carboxylic acid1269006-94-1C18H18N4O5
- Ethyl 3-[[(E)-2-cyano-3-(ethoxycarbonylamino)-3-oxoprop-1-enyl]amino]-1H-indole-2-carboxylateC18H18N4O5
- (2R,3R,4S,5R)-2-(6-Hydroxy-2-(styryl)-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol88868-69-3C18H18N4O5
Frequently asked questions
What is the molar mass of C18H18N4O5?
The molar mass of C18H18N4O5 is 370.37 g/mol, calculated from standard atomic weights for 18 carbon atoms, 18 hydrogen atoms, 4 nitrogen atoms and 5 oxygen atoms. The monoisotopic mass is 370.1277 Da.
How many compounds have the formula C18H18N4O5?
CompoundList lists 72 compounds with the molecular formula C18H18N4O5, including 2-(3-Hydroxy-4-(4-(2-methoxyphenoxy)-1H-pyrazol-3-yl)phenoxy)acetohydrazide, N-(2-Methoxyethyl)-2-[3-[(2,4,6-trioxo-1,3-diazinan-5-ylidene)methyl]indol-1-yl]acetamide, 2-(3-Hydroxy-4-(4-(4-methoxyphenoxy)-1H-pyrazol-3-yl)phenoxy)acetohydrazide. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.
What is the degree of unsaturation of C18H18N4O5?
C18H18N4O5 has a degree of unsaturation of 12. That is the total number of rings and pi bonds (a double bond counts as one, a triple bond as two) in any structure with this formula.